package com.DHH.Util;

/**
 * https双向签名认证，用于支付申请退款
 * 
 * */
import java.io.File;
import java.io.FileInputStream;
import java.security.KeyStore;

import javax.net.ssl.SSLContext;

import org.apache.http.HttpEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ssl.SSLContexts;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

/**
 * JAVA只需要使用apiclient_cert.p12即可，如果使用JAVA语言进行开发的可以忽略其余三个pem格式的文件。
 */
public class ClientCustomSSL {

	/**
	 * https双向签名认证，用于支付申请退款
	 * 
	 * */
	public static String payHttps(String MCH_ID, String url, String data)
			throws Exception {

		// 指定读取证书格式为PKCS12
		KeyStore keyStore = KeyStore.getInstance("PKCS12");

		// 读取本机存放的PKCS12证书文件
		FileInputStream instream = new FileInputStream(new File(
				"C:/apiclient_cert.p12"));
		try {
			// 指定PKCS12的密码(商户ID)
			keyStore.load(instream, MCH_ID.toCharArray());
		} finally {
			instream.close();
		}
		SSLContext sslcontext = SSLContexts.custom()
				.loadKeyMaterial(keyStore, MCH_ID.toCharArray()).build();
		// 指定TLS版本
		SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(
				sslcontext, new String[] { "TLSv1" }, null,
				SSLConnectionSocketFactory.BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);
		// 设置httpclient的SSLSocketFactory
		CloseableHttpClient httpclient = HttpClients.custom()
				.setSSLSocketFactory(sslsf).build();
		try {
			HttpPost httpost = new HttpPost(url); // 设置响应头信息
			httpost.addHeader("Connection", "keep-alive");
			httpost.addHeader("Accept", "*/*");
			httpost.addHeader("Content-Type",
					"application/x-www-form-urlencoded; charset=UTF-8");
			httpost.addHeader("Host", "api.mch.weixin.qq.com");
			httpost.addHeader("X-Requested-With", "XMLHttpRequest");
			httpost.addHeader("Cache-Control", "max-age=0");
			httpost.addHeader("User-Agent",
					"Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0) ");
			httpost.setEntity(new StringEntity(data, "UTF-8"));
			CloseableHttpResponse response = httpclient.execute(httpost);
			try {
				HttpEntity entity = response.getEntity();
				String jsonStr = EntityUtils.toString(response.getEntity(),
						"UTF-8");
				EntityUtils.consume(entity);

				return jsonStr;

			} finally {
				response.close();
			}
		} finally {
			httpclient.close();
		}
	}

}
